An obituary for Sir Douglas Black appears in this weeks BMJ. An extended on-line version is also available at http://bmj.com/cgi/content/full/325/7365/661/DC1 D. Send one line: unsubscribe click4hp to: [log in to unmask] to unsubscribe See: http://listserv.yorku.ca/archives/click4hp.html to alter your subscription